- Mailing list for people interested in building radio and electronics equipment from kits or from scratch. Frequent topics include shortwave radio receivers, construction techniques, and ham radio project.
- Free german Open Source HAM Logging Program unter the terms of the GNU General Public License. CLLOG runs under MS-DOS (Windows DOS-Window under 3.x,9x,NT,ME,2000) and LINUX. All Functions for Logbook.